{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-bkmbi7w3","versions":[{"created_at":"2026-06-04T17:01:31Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.5->100.0)","saved_by":"editor","sha256":"3e5886e8c233f04ac6e6585a31184ec9598c11e5d2a2f5f393e4d02a50195737","version":12},{"created_at":"2026-06-04T14:56:55Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.2->91.5)","saved_by":"editor","sha256":"e721e4ef31a9e24a652b6c551960023f607203a493c3bf7d6a8e8764f4fde4fe","version":11},{"created_at":"2026-06-04T05:54:00Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.7→91.2 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.2 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"12233f85aba7b1371c84e7de79ac3329d235ecb63c524bf7855233410a3cfc1d","version":10},{"created_at":"2026-06-04T04:55:06Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 63.2→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"da253d923b28cdbb080c1eb3e14320b3d57301d37dac770f71712569c5912214","version":9},{"created_at":"2026-06-04T04:55:06Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f8ef4720116745b56bf27b1a11ce01a4a9e25197997ee9268f8f41646bd4b7cb","version":8}]}